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Elhawary H - - 2008
Owing to their highly ordered structure, tendons and cartilage appear with low signal intensity when imaged using magnetic resonance imaging (MRI) scanners. A significant increase in signal can be observed when these structures are oriented at 55 degrees (termed the magic angle) with respect to the static field B0. There ...
Seki Nobutoshi - - 2008
BACKGROUND: We analyzed the mechanical environment of the supraspinatus tendon using a three-dimensional finite element model with the software programs MENTAT and MARC. METHODS: The supraspinatus tendon that attaches to the superior facet was extracted and modeled. The geometric shape of the humeral head was determined from computed tomography images, ...
Moraes do Carmo Clarissa Canella - - 2008
OBJECTIVE: Abnormalities of the plantar aponeurosis are commonly encountered in patients with subcalcaneal heel pain. Understanding normal anatomy is required to accurately diagnose some disorders of the foot. The purpose of our study was to describe the normal anatomy of the plantar aponeurosis, using ultrasonography and MRI with close anatomic ...
Pastore Daniel - - 2008
PURPOSE: The purpose of this report was to demonstrate the normal complex insertional anatomy of the tibialis posterior tendon (TPT) in cadavers using magnetic resonance (MR) imaging with anatomic and histologic correlation. MATERIAL AND METHODS: Ten cadaveric ankles were used according to institutional guidelines. MR T1-weighted spin echo imaging was ...
Zanetti Marco - - 2008
The purpose of this article is to highlight the anatomical variants, technical pitfalls, and the prevalence of abnormal conditions in the asymptomatic population in magnetic resonance imaging of the foot and ankle. Special attention is drawn to the complex anatomy of the deltoid ligament (the superficial tibionavicular ligament, tibiospring ligament, ...
Stewart John D - - 2008
Foot drop is a common and distressing problem that can lead to falls and injury. Although the most frequent cause is a (common) peroneal neuropathy at the neck of the fibula, other causes include anterior horn cell disease, lumbar plexopathies, L5 radiculopathy and partial sciatic neuropathy. And even when the ...
Cohen Jennifer M - - 2008
(1) To describe the clinical signs and abnormalities observed on magnetic resonance imaging (MRI) in 7 horses with desmitis of the distal digital annular ligament (DDAL); (2) to describe the normal magnetic resonance (MR) appearance and thickness of the DDAL in health; and (3) to describe a tenoscopic surgical technique ...
Suresh S S - - 2009
An asymptomatic absence of flexor pollicis longus without association with any other anomaly or hypoplasia of the thenar muscles in a 28-year-old patient is reported due to its rarity. The inability to flex the interphalangeal joint of the thumb and the absent flexor crease of the thumb led us to ...
Vanderperren Katrien - - 2008
OBJECTIVE: To determine the detailed computed tomography (CT) anatomy of the metacarpophalangeal (MCP) joint in healthy horses. SAMPLE POPULATION: 10 cadaveric forelimbs from 10 adult horses without orthopedic disease. PROCEDURES: CT of the MCP joint was performed on 4 forelimbs. In 1 of the limbs, CT was also performed after ...
Diwanji Sanket R - - 2008
Extrapulmonary tuberculous involvement of musculoskeletal system accounts for approximately 1% to 5% of cases. Tuberculous involvement of the feet tendon is even rarer. We are reporting an extremely rare case of tuberculous tenosynovitis of flexor digitorum longus tendon in a 68-year-old man. A 68-year-old farmer from India presented with a ...
Park Gi-Young - - 2008
OBJECTIVES: To assess the ultrasonographic findings and to evaluate the value of ultrasonography as a diagnostic method for detecting clinical medial epicondylitis. DESIGN: A prospective, single-blind study. SETTING: An outpatient rehabilitation clinic in a tertiary university hospital. PARTICIPANTS: Twenty-one elbows from 18 patients with clinical medial epicondylitis and 25 elbows ...
Bestic Joseph M - - 2008
The purpose of this article is to review the basic design features of second-generation total ankle arthroplasty components and to illustrate the normal and abnormal postoperative imaging features associated with such devices. The usefulness of CT in postoperative evaluation will be highlighted. Postoperative evaluation of the total ankle arthroplasty necessitates ...
Benjamin M - - 2008
Entheses are the sites of attachment of a tendon, ligament, or joint capsule to bone. In a previous article new options for visualizing entheses and related structures, including ultrashort echo time (UTE) pulse sequences, and magic angle imaging were described. In this article an approach to image interpretation is described ...
Schache Anthony G - - 2008
This case report describes a 20-year-old elite-level Australian Rules football player who suffered three unilateral hamstring injuries within a 2 month period. The first two episodes were managed conservatively. Magnetic resonance imaging following the third episode revealed full thickness disruption of the proximal musculotendinous junction of the biceps femoris long ...
Benjamin M - - 2008
Entheses are the sites of attachment of a tendon, ligament, or joint capsule to bone. Many features of entheses are adapted to disperse stress and accommodate compressive and shear forces at, or near, boundaries between tendons or ligaments and bone. Of particular interest is calcified and uncalcified fibrocartilage, which has ...
Gyftopoulos Soterios - - 2008
The MRI features of the proximal rectus femoris musculotendinous junction have scarcely been described in the literature. The purpose of our study, based on a review of 50 asymptomatic and 20 symptomatic MRI studies, was to define the normal MRI anatomy and MRI features of intrasubstance injury of deep musculotendinous ...
Hua Jia - - 2008
Clinical diagnosis of lateral collateral ligamentous injury caused by ankle sprains depends primarily on clinical signs, and X-ray and CT images. None of these, however, provide direct or accurate information about ligamentous injury. MRI has long been testified as a useful tool in the demonstration of ligaments due to its ...
Wheeler L D - - 2008
Four cases of isolated popliteus tendon avulsion in skeletally immature patients that presented to our institution over an 11 month period are reviewed. All the cases had characteristic features on the initial knee radiograph and the diagnosis was confirmed using magnetic resonance imaging (MRI). A brief literature review is included. ...
Seidenstricker-Kink Lynn M - - 2008
OBJECTIVE: To quantify comparative improvement between osseous and soft tissue asymmetry following primary lip repair. DESIGN: Retrospective analysis of preoperative and postoperative computed tomography scans of infants with unilateral cleft lip and palate. Sixteen soft tissue landmarks were placed using an exploratory two-/three-dimensional image processing system and compared for asymmetry. ...
Rhee John H - - 2008
Primary bone tumors involving the foot or ankle may be imaged, because they are symptomatic or may be found incidentally on imaging studies investigating other causes of pain or swelling. As an uncommon location for malignant bone tumors, lesions within the foot and ankle are subject to misdiagnosis. This article ...
Collins Mark S - - 2008
Acute ankle and hindfoot injuries are common in athletes and typically are treated conservatively. Persistent pain that has not responded to appropriate conservative treatment and prevents the patient from returning to play is more problematic for the athlete and the treating sports clinician. Making a specific clinical and imaging diagnosis ...
Ting Amy Y I - - 2008
MR imaging is the imaging modality of choice for the evaluation of acute and chronic injuries of the midfoot. The complex anatomy of this region demands the multiplanar capabilities of this modality, and because injuries of this region most commonly involve the tendon, ligament, and muscular supports of the foot ...
Sanders Timothy G - - 2008
The term "ankle impingement" encompasses several distinct clinical entities resulting from entrapment of either an osseous or soft tissue structure. Three types of ankle impingement -- anterior, anterolateral, and posterior -- are well understood and have been described relatively well in the medical literature. Three additional categories of ankle impingement ...
Ferri Melanie - - 2008
The three-dimensional relationships of the bones in the foot in a flatfoot deformity are difficult to assess with standard radiographs. CT scans demonstrate these relationships but are typically made in a nonweightbearing mode. Our objective was to assess the use of a weightbearing CT apparatus to image the feet in ...
Russell J Matthew - - 2008
MR imaging can be quite useful in the evaluation of pathologic processes related to the diabetic foot. The diagnosis of soft tissue processes such as callus formation, ulceration, foreign body granuloma, cellulitis, abscess, and gangrene can be made with the assistance of MR imaging. Osseous deformities such as hammertoe, rocker-bottom ...
Campbell Scot E - - 2008
Ankle inversions are common in the general population and in athletes. Multiple concurrent injuries are a common result of an ankle-inversion injury. Syndesmosis injury, lateral ankle ligament tears, peroneal retinaculum or tendon injury, osteochondral lesion, or fracture may occur. Chronic pain or instability may result from one or more of ...
Allen Jason M - - 2008
Neuropathies of the lower extremity may occur from traumatic injury, surgery, tumor, entrapment by adjacent structures, and a variety of other causes. At times, the clinical presentation can be confusing. Because of its superior soft tissue contrast and the ability to image in any plane, MR imaging is the modality ...
Lyoo Chul Hyoung - - 2008
A 43-year-old male patient suddenly developed freezing of gait (FOG) when making a first step, turning, or passing through a narrow path. Dystonic plantar flexion of his left foot always accompanied with FOG. He could walk without FOG when stepping on visual cues. Brain magnetic resonance imaging study showed typical ...
Bowen Catherine J - - 2008
The use of musculoskeletal ultrasound (MSUS) in the diagnosis and management of foot and ankle musculoskeletal pathology is increasing. Due to the wide use of MSUS and the depth and breadth of training required new proposals advocate tailored learning of the technique to discrete fields of practice. The aims of ...
Panchbhavi Vinod K - - 2008
Osteonecrosis in bones with a rich vascular supply, such as the calcaneus, is uncommon. The magnetic resonance imaging (MRI) showed an isolated lesion in the calcaneus in the few cases of calcaneal osteonecrosis reported in the literature. Presented here is a hitherto unreported pattern of multiple serpigenous osteonecrotic lesions in ...
Richards Paula J - - 2008
BACKGROUND: We report a patient with ossification of the Achilles tendon, presenting plain radiographs, ultrasound, power doppler, computed tomography and magnetic resonance findings. The majority of the tendon was ossified, and there was adjacent soft tissue oedema. The appearance of peritendinous oedema associated with ossification has not, to our knowledge, ...
Elias Ilan - - 2008
The bipartite medial cuneiform is an uncommon developmental osseous variant in the midfoot. To our knowledge, Magnetic Resonance Imaging (MRI) characteristics of a non-symptomatic bipartite medial cuneiform have not been described in the orthopaedic literature. It is important for orthopaedic foot and ankle surgeons, musculoskeletal radiologists, and for podiatrists to ...
Healy P J - - 2008
OBJECTIVES: To quantify the extent of inflammation in psoriatic dactylitis and to examine the relationship between clinical and magnetic resonance imaging (MRI) data in both tender and non-tender dactylitis. METHODS: Seventeen patients with psoriatic dactylitis underwent clinical assessment for 6 months after change of treatment, usually to methotrexate. Measures of ...
Sherlock C E - - 2007
The records of 41 horses with previously undiagnosed foot pain that had been examined by standing magnetic resonance imaging were reviewed and follow-up information was obtained from their owners two years after the examination. A range of soft tissue and osseous abnormalities were identified, with multiple lesions frequently occurring. Deep ...
Trudel Guy - - 2007
OBJECTIVE: To assess the usefulness of magnetic resonance imaging (MRI), ultrasound (US) imaging, or bone mineral density (BMD) in predicting the mechanical properties of immobilized rabbit Achilles' tendons. DESIGN: Experimental study. SETTING: Basic university laboratory. ANIMALS: Twenty-eight rabbits. INTERVENTIONS: Twelve rabbits had 1 hindlimb casted for 4 weeks and 10 ...
Adams Samuel B SB - - 2007
BACKGROUND: Most surgeons performing total ankle arthroplasty (TAA) suggest that accurate tibial preparation perpendicular to the tibial shaft axis improves outcomes. Recent studies demonstrate that computerized surgical navigation significantly improves the accuracy of tibial preparation in total knee arthroplasty (TKA). METHODS: We performed the tibial preparation for TAA in seven ...
Scott-Moncrieff Andrew - - 2007
The adult tarsal navicular is an integral part of the midfoot. Many unique pathological conditions affect its function, and while subtle in their presentation, they can be significant sources of pain and deformity. Recognition of these abnormalities in imaging is essential to obtaining prompt diagnoses and instigating early management interventions. ...
Erdem C Zuhal - - 2008
OBJECTIVE: To determine alterations of the soft tissues, tendons, cartilage, joint spaces, and bones of the foot using magnetic resonance (MR) imaging in patients with psoriasis. MATERIALS AND METHODS: Clinical and MR examination of the foot was performed in 26 consecutive patients (52 ft) with psoriasis. As a control group, ...
Brokken Matthew T - - 2007
Magnetic resonance (MR) imaging abnormalities in horses with lameness localized to the proximal metacarpal or metatarsal region have not been described. To accomplish that, the medical records of 45 horses evaluated with MR imaging that had lameness localized to either the proximal metacarpal or metatarsal region were reviewed. Abnormalities observed ...
Fujikawa Akira - - 2007
OBJECTIVE: The purpose of this study was to prospectively explore the MRI features of normal healing of the expected residual tendon gap in the Achilles tendon after percutaneous surgical repair. SUBJECTS AND METHODS: MR images of the Achilles tendon were obtained approximately 4, 8, and 12 weeks after surgery. Assessment ...
Sese Masaru - - 2007
The superficial digital flexor tendon (SDFT) is one of the longest tendons in the horse. In racehorses, disturbance of the locomotor functions of the SDFT occurs most frequently in the central area of the mid-metacarpal region. While many studies have investigated the equine SDFT, there are no reports to date ...
Cvitanic Oliver A - - 2007
OBJECTIVE: The purpose of this study was to examine the anatomic features and imaging appearance of the intersection of the extensor pollicis longus (EPL) tendon with the extensor carpi radialis brevis (ECRB) and longus (ECRL) tendons in cadavers and patients. MATERIALS AND METHODS: MR and CT tenography were performed on ...
Ettema Anke M - - 2008
The characteristic pathological finding in carpal tunnel syndrome (CTS) is non-inflammatory fibrosis of the subsynovial connective tissue (SSCT), which lies between the flexor tendons and the visceral synovium (VS). How this fibrosis might affect tendon function is unknown. To better understand the normal function of the SSCT, the relative motion ...
Polster Joshua M - - 2008
OBJECTIVE: The objective was to explain the anatomic basis of a longitudinal cleft of increased signal in the iliopsoas tendon seen on hip MR arthrograms. MATERIALS AND METHODS: A prospective review of 20 MR hip arthrograms was performed using standard and fat-suppressed T1-weighted images to establish whether or not the ...
De Maeseneer Michel - - 2008
We present a review of sonography of the flexor and extensor system of the hand and wrist in volunteers and cadavers. CT tenography also was performed in cadaveric specimens. Anatomical structures of the extensor system that were assessed with sonography included the extensor tendons and insertions, retinaculum, and dorsal hood. ...
Subhas Naveen - - 2008
OBJECTIVE: A thickened accessory anterior-inferior tibiofibular ligament (Bassett's ligament) of the ankle can be a cause of ankle impingement. Its imaging appearance is not well described. The purpose of this study was to determine if the ligament could be identified on magnetic resonance imaging (MRI), to determine associated abnormalities, and ...
Joong Mo Ahn - - 2007
Chronic foot pain is a common and often disabling clinical complaint that can interfere with a patient's routine activities. Despite careful and detailed clinical history and physical examination, providing an accurate diagnosis is often difficult because chronic foot pain has a broad spectrum of potential causes. Therefore, imaging studies play ...
McShane John M - - 2007
Many patients present to their physician's office with the chief complaint of pain at the Achilles tendon. This review discusses the pathology, diagnosis, and treatment of Achilles tendinopathy. Achilles tendinopathy is generally caused by chronic stress to the tendon, leading to a defective arrangement of collagen fibers in the Achilles ...
Masaki Fujioka - - 2007
We report a case of the flexor digitorum profundus tendon rupture of the little finger, which was predisposed by an anatomic variation of the tendon. Intraoperative findings and magnetic resonance imaging of the opposite hand suggested that the flexor digitorum profundus tendons of the ring and the little finger bifurcated. ...
LaRocco Brian G - - 2008
Quadriceps tendon ruptures are an uncommon knee injury. The diagnosis is often complicated by a limited examination secondary to edema and pain, the insensitivity of radiographs, and the unavailability of non-emergent magnetic resonance imaging. A delay in diagnosis and treatment has been shown to cause significant morbidity. A case report ...
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